DaveC426913's latest activity
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DaveC426913 replied to the thread B Six Pencil Puzzle.I don't see why it would be incorrect. Each pair of pencils is not 100% parallel in 3 dimensions, even though it may look like they... -
That's all well and good, but if I understand the request by @DaveC426913 correctly, he doesn't want comparisons to other scenarios...
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DaveC426913 replied to the thread B Simple mass/scale puzzle.So, if I blew out the centre wall and tied the two strings to each other, they'd still read 10kg each. And then if I bridged one of...
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DaveC426913 replied to the thread B Simple mass/scale puzzle.I didn't see this. So what do the scales read?
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How would you explain it to a 5 year old? Not saying Dave and I are 5 year olds, but as far as I can tell, Dave is 20 times smarter...
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Hmmmm.... Actually, I don't think I understand my explanation. This still doesn't make any sense. :headbang: :headbang: :headbang...
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DaveC426913 replied to the thread B Simple mass/scale puzzle.Fer cryin out loud...
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Are they? With the scales attached to nothing on top? They would be correct, if you had the same but opposite forces F at both ends of...
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DaveC426913 replied to the thread Wood/Glass/Metal DIY lifting concrete blocks with a lever and a grabber.Yup.
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DaveC426913 reacted to DaveE's post in the thread Wood/Glass/Metal DIY lifting concrete blocks with a lever and a grabber with
Like.
The mold for those blocks is conical (or pyramidal?). So grabbing solutions need to grab well. I think you want your wedges to be very... -
DaveC426913 replied to the thread Wood/Glass/Metal DIY lifting concrete blocks with a lever and a grabber.Yes, I figured I could do it by welding some bars together; I'm trying for a solution that's a little less overhead just to build the...
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DaveC426913 reacted to Lnewqban's post in the thread Wood/Glass/Metal DIY lifting concrete blocks with a lever and a grabber with
Informative.
See some solutions here: https://pavetool.com/collections/clamps-wall-paver-slab -
DaveC426913 replied to the thread B Six Pencil Puzzle.I failed, and had to cheat. So there was no point in me responding and ruining the puzzle.
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DaveC426913 replied to the thread B Simple mass/scale puzzle.Well I can't say I didn't ask for that... .
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So far nobody formalized it, so let it be me. Let me denote the mass on the left as ##m_1## and the mass on the right as ##m_2##. The...
